Quality control line for monitoring sampling effectiveness and application thereof

Abstract

The invention relates to the technical field of monitoring sampling, and discloses a quality control line for monitoring sampling effectiveness and application thereof.The quality control line comprises a sample monitor, two quality control lines used for detecting and monitoring are symmetrically installed on the sample monitor, a gas conveying pipe is connected to the side wall of one side of the sample monitor, and a storage box is installed at the other end of the gas conveying pipe; an exhaust pipe is rotationally connected to the side wall of one side of the storage box, an air suction head is installed at the other end of the exhaust pipe, a cleaning assembly for cleaning the inner wall is installed in the air suction head, a filter screen is connected to the inner side wall of the storage box and located at the exhaust pipe, and a rotating shaft is rotationally connected to the top end in the storage box. According to the technical scheme, through mutual cooperation of structures such as the sample monitor, the quality control line, the air delivery pipe, the storage box, the exhaust pipe, the air suction head, the filter screen, the rotating shaft and the fan blades, external air can be extracted and monitored, dust in the air can be filtered, and the air monitoring accuracy is improved, so that the applicability of the device is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of monitoring sampling, and in particular to a quality control line for monitoring sampling effectiveness and application thereof. Background Art

[0002] The quality control line is a standard line used for quality control, which is used to evaluate and monitor whether a process is in a state of control. In different fields, the meaning and use of the quality control line may vary, but usually it represents a benchmark or standard in the quality control process.

[0003] At present, when the existing quality control line is used to detect the surrounding environment, the air of the surrounding environment is generally sampled and the air is monitored through the quality control line. However, when sampling the air, dust in the air is easily inhaled into the monitoring equipment, affecting the accuracy of the monitoring and having poor applicability. Summary of the invention

[0004] The purpose of the present invention is to provide a quality control line for monitoring sampling effectiveness and its application, which solves the problems raised in the background technology.

[0005] An embodiment of the present invention provides a quality control line for monitoring the effectiveness of sampling, including a sample monitor, on which two quality control lines for detection and monitoring are symmetrically installed, an air supply pipe is connected to the side wall of one side of the sample monitor, a storage box is installed at the other end of the air supply pipe, an exhaust pipe is rotatably connected to the side wall of one side of the storage box, an air suction head is installed at the other end of the air suction pipe, a cleaning component for cleaning the inner wall is installed in the air suction head, a filter is connected to the inner wall of the storage box, and the filter is located at the position of the exhaust pipe, a rotating shaft is rotatably connected to the top end of the storage box, a fan blade is connected to the lower end of the rotating shaft, a rotating component for driving the rotating shaft to rotate is installed on the storage box, and a scraping component for cleaning dust on the surface of the filter is installed in the storage box.

[0006] By adopting the above technical solution, the rotating shaft is driven to rotate by the rotating component, and the rotation of the rotating shaft will drive the fan blades to rotate. The rotation of the fan blades will extract the external air through the exhaust pipe and the suction head, and then discharge it into the sample monitor through the air supply pipe. The sample monitor will monitor the air and reflect the air quality through the quality control line. When the air is extracted, the filter will filter the external dust. The above structure can extract and monitor the external air, and the dust in the air can be filtered to prevent the accuracy of air monitoring, thereby improving the applicability of the device.

[0007] Optionally, the cleaning assembly includes an electric push rod fixedly mounted on one end of the suction head, the piston end of the electric push rod is connected to a cleaning block, the cleaning block is slidably connected in the suction head, and the cleaning block matches the suction head.

[0008] By adopting the above technical solution, the electric push rod is started, and the electric push rod will drive the cleaning block to move, and the movement of the cleaning block will clean the inner wall of the suction head.

[0009] Optionally, the rotating assembly includes a motor fixedly mounted on the top of the storage box, and the output end of the motor is connected to the rotating shaft through a coupling.

[0010] By adopting the above technical solution, the motor is started, and the operation of the motor drives the rotating shaft to rotate.

[0011] Optionally, the scraping assembly includes two springs symmetrically connected to the bottom end of the storage box, the upper ends of the two springs are commonly connected to a movable frame, one end of the movable frame is connected to a brush, the brush is attached to the filter, and a transmission assembly for driving the movable frame to move in a vertical direction is installed in the storage box.

[0012] By adopting the above technical solution, the movable frame is made to move back and forth in the vertical direction through the transmission component. The movement of the movable frame will drive the brush to move, and the movement of the brush will clean the dust on the surface of the filter. The dust on the filter can be cleaned through the above structure to prevent the dust from clogging the filter holes on the filter and affecting the ventilation effect.

[0013] Optionally, the transmission assembly includes a transmission rod rotatably connected to the side wall of the storage box, the transmission rod passes through the side wall corresponding to the storage box, the transmission rod is connected to the rotating shaft through a bevel gear transmission, a cam is fixedly sleeved on the rod wall of the transmission rod, a pulley is installed on the upper end of the movable frame, and the cam abuts against the pulley.

[0014] By adopting the above technical solution, when the rotating shaft rotates, it will also drive the transmission rod to rotate through the bevel gear. The rotation of the transmission rod will drive the cam to rotate. The rotation of the cam will apply a force to the pulley. The pulley will drive the movable frame to move in the vertical direction under the force. The movement of the movable frame will squeeze the spring. The spring will be deformed under the force. When the force of the cam is removed from the pulley, the spring will reset, and this process will be repeated.

[0015] Optionally, a slide groove is provided on the inner wall of one side of the storage box, a slider is slidably connected in the slide groove, and one end of the slider is connected to the movable frame.

[0016] By adopting the above technical solution, the movable frame is limited and the stability of the movable frame when moving is improved.

[0017] Optionally, a sliding rod is fixedly connected to the inner groove wall of the sliding groove, the sliding rod passes through the sliding block, and the sliding block is slidably connected to the sliding rod.

[0018] By adopting the above technical solution, the sliding block is prevented from being separated from the sliding groove.

[0019] Optionally, a rolling groove is opened at one end of the sliding block, a rolling ball is arranged in the rolling groove, the ball passes through the notch of the rolling groove, and the ball is rollingly connected to the bottom of the sliding groove.

[0020] By adopting the above technical solution, the friction between the slider and the slide groove is reduced.

[0021] Optionally, one end of the transmission rod is connected to a first gear, a second gear is fixedly sleeved on the tube wall of the exhaust pipe, and the first gear is meshed with the second gear.

[0022] By adopting the above technical solution, the rotation of the transmission rod will drive the first gear to rotate, the rotation of the first gear will drive the exhaust pipe to rotate through the second gear, and the rotation of the exhaust pipe will drive the suction head to rotate, thereby increasing the contact area between the suction head and the air and improving the efficiency of sample extraction.

[0023] A quality control line for monitoring sampling effectiveness and its application, the application is adopted in any one of the quality control lines for monitoring sampling effectiveness described above, comprising the following steps: S1: When in use, start the motor, the operation of the motor will drive the rotating shaft to rotate, the rotation of the rotating shaft will drive the fan blades to rotate, the rotation of the fan blades will extract the outside air through the exhaust pipe and the suction head, and then discharge it into the sample monitor through the air supply pipe, the sample monitor will monitor the air, and reflect the air quality through the quality control line. When the air is extracted, the filter will filter the dust from the outside. The above structure can extract and monitor the outside air, and can filter the dust in the air to prevent the accuracy of air monitoring, thereby improving the applicability of the device; S2: When the rotating shaft rotates, it will also drive the transmission rod to rotate through the bevel gear. The rotation of the transmission rod will drive the cam to rotate. The rotation of the cam will apply force to the pulley. The pulley will drive the movable frame to move in the vertical direction under the force. The movement of the movable frame will squeeze the spring. The spring will be deformed under the force. When the force of the cam is removed from the pulley, the spring will reset. This will be repeated. The movement of the movable frame will drive the brush to move. The movement of the brush will clean the dust on the surface of the filter. The above structure can clean the dust on the filter to prevent the dust from clogging the filter holes on the filter and affecting the ventilation effect. S3: The rotation of the transmission rod will drive the first gear to rotate, the rotation of the first gear will drive the suction pipe to rotate through the second gear, the rotation of the suction pipe will drive the suction head to rotate, increasing the contact area between the suction head and the air, and improving the efficiency of sample extraction.

[0024] Compared with the prior art, the technical solution of the present invention has the following beneficial effects: (1) The technical solution of the present invention is provided with a sample monitor, a quality control line, an air supply pipe, a storage box, an air extraction pipe, an air suction head, a filter, a rotating shaft and fan blades. When in use, the motor is started, and the operation of the motor will drive the rotating shaft to rotate. The rotation of the rotating shaft will drive the fan blades to rotate. The rotation of the fan blades will extract the outside air through the air extraction pipe and the air suction head, and then discharge it into the sample monitor through the air supply pipe. The sample monitor will monitor the air and reflect the air quality through the quality control line. When the air is extracted, the filter will filter the outside dust. The above structure can extract and monitor the outside air, and can filter the dust in the air to prevent the accuracy of air monitoring, thereby improving the applicability of the device.

[0025] (2) The technical solution of the present invention is to set up structures such as a spring, a movable frame, a brush, a transmission rod, a bevel gear, a cam and a pulley. When the rotating shaft rotates, it will also drive the transmission rod to rotate through the bevel gear. The rotation of the transmission rod will drive the cam to rotate. The rotation of the cam will apply a force to the pulley. The pulley will drive the movable frame to move in the vertical direction under the force. The movement of the movable frame will squeeze the spring. The spring will deform under the force. When the force of the cam is removed from the pulley, the spring will reset. This is repeated. The movement of the movable frame will drive the brush to move. The movement of the brush will clean the dust on the surface of the filter. The above structure can clean the dust on the filter to prevent the dust from clogging the filter holes on the filter and affecting the ventilation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is a schematic diagram of the overall structure of a quality control line for monitoring sampling effectiveness of the present invention; Figure 2 for Figure 1 A magnified view of part A; Figure 3 This is a schematic diagram of the structure of an air suction head in a quality control line for monitoring sampling effectiveness according to the present invention; Figure 4 It is a structural schematic diagram of a cam and a pulley in a quality control line for monitoring sampling effectiveness of the present invention when they are working; Figure 5 for Figure 1 Enlarged view of part B.

[0027] In the figure: 1. sample monitor; 2. quality control line; 3. gas pipe; 4. storage box; 5. exhaust pipe; 6. suction head; 7. filter; 8. rotating shaft; 9. fan blade; 10. electric push rod; 11. cleaning block; 12. motor; 13. spring; 14. movable frame; 15. brush; 16. transmission rod; 17. bevel gear; 18. cam; 19. pulley; 20. slider; 21. slide rod; 22. ball bearing; 23. first gear; 24. second gear. DETAILED DESCRIPTION

[0028] See also Figure 1-4 A quality control line for monitoring the effectiveness of sampling and its application, including a sample monitor 1, on which two quality control lines 2 for detection and monitoring are symmetrically installed. The sample monitor 1 and the quality control line 2 are both existing technologies and will not be described in detail in the present invention. A gas supply pipe 3 is fixedly connected to the side wall of one side of the sample monitor 1, and a storage box 4 is installed at the other end of the gas supply pipe 3. An exhaust pipe 5 is rotatably connected to the side wall of one side of the storage box 4, and an air suction head 6 is installed at the other end of the exhaust pipe 5. A cleaning component for cleaning the inner wall is installed in the air suction head 6. The cleaning component includes an electric push rod 10 fixedly installed at one end of the air suction head 6, and a cleaning block 11 is connected to the piston end of the electric push rod 10. The cleaning block 11 is slidably connected in the air suction head 6, and the cleaning block 11 matches the air suction head 6. When the electric push rod 10 is started, the electric push rod 10 will drive the cleaning block 11 to move, and the movement of the cleaning block 11 will clean the inner wall of the air suction head 6.

[0029] A filter screen 7 is fixedly connected to the inner wall of the storage box 4, and the filter screen 7 is located at the position of the exhaust pipe 5. A rotating shaft 8 is rotatably connected to the top of the storage box 4, and a fan blade 9 is connected to the lower end of the rotating shaft 8. A rotating assembly for driving the rotating shaft 8 to rotate is installed on the storage box 4. The rotating assembly includes a motor 12 fixedly installed on the top of the outside of the storage box 4. The output end of the motor 12 is connected to the rotating shaft 8 through a coupling. When the motor 12 is started, the operation of the motor 12 will drive the rotating shaft 8 to rotate. A scraping assembly for cleaning the dust on the surface of the filter screen 7 is installed in the storage box 4. When in use, the motor 12 is started and the operation of the motor 12 The rotation of the rotating shaft 8 will drive the fan blades 9 to rotate. The rotation of the fan blades 9 will extract the external air through the exhaust pipe 5 and the suction head 6, and then discharge it into the sample monitor 1 through the air supply pipe 3. The sample monitor 1 will monitor the air and reflect the air quality through the quality control line 2. When the air is extracted, the filter 7 will filter the external dust. The upper structure can extract and monitor the external air, and the dust in the air can be filtered to prevent the accuracy of air monitoring, thereby improving the applicability of the device.

[0030] For details, see Figure 1-3 The scraping assembly includes two springs 13 symmetrically connected to the bottom end of the storage box 4, and the upper ends of the two springs 13 are commonly connected to a movable frame 14, one end of the movable frame 14 is connected to a brush 15, and the brush 15 is attached to the filter 7. A transmission assembly for driving the movable frame 14 to move in the vertical direction is installed in the storage box 4. The movable frame 14 is made to move back and forth in the vertical direction through the transmission assembly. The movement of the movable frame 14 will drive the brush 15 to move, and the movement of the brush 15 will clean the dust on the surface of the filter 7. The dust on the filter 7 can be cleaned through the upper structure to prevent the dust from clogging the filter holes on the filter 7 and affecting the ventilation effect.

[0031] For details, see Figure 1-2 and Figure 4 The transmission assembly includes a transmission rod 16 rotatably connected to the side wall of the storage box 4. The transmission rod 16 passes through the corresponding side wall of the storage box 4. The transmission rod 16 is connected to the rotating shaft 8 through a bevel gear 17. A cam 18 is fixedly sleeved on the rod wall of the transmission rod 16. A pulley 19 is installed on the upper end of the movable frame 14. The cam 18 abuts against the pulley 19. When the rotating shaft 8 rotates, the transmission rod 16 is also driven to rotate through the bevel gear 17. The rotation of the transmission rod 16 will drive the cam 18 to rotate. The rotation of the cam 18 will apply a force to the pulley 19. The pulley 19 will drive the movable frame 14 to move in the vertical direction under the force. The movement of the movable frame 14 will squeeze the spring 13. The spring 13 will be deformed under the force. When the force of the cam 18 is removed from the pulley 19, the spring 13 will be reset, and this will be repeated.

[0032] For details, see Figure 1-2 and Figure 5 A slide groove is provided on the inner wall of one side of the storage box 4, and a slider 20 is slidably connected in the slide groove. One end of the slider 20 is connected to the movable frame 14 to limit the movable frame 14 and improve the stability of the movable frame 14 when moving. A slide rod 21 is fixedly connected to the inner groove wall of the slide groove, and the slide rod 21 penetrates the slider 20, and the slider 20 is slidably connected to the slide rod 21 to prevent the slider 20 from escaping from the slide groove. A rolling groove is provided at one end of the slider 20, and a rolling ball 22 is arranged in the rolling groove. The ball 22 passes through the notch of the rolling groove, and the ball 22 It is rollingly connected to the bottom of the slide groove to reduce the friction between the slider 20 and the slide groove. One end of the transmission rod 16 is connected to the first gear 23. The second gear 24 is fixedly sleeved on the wall of the exhaust pipe 5, and the first gear 23 is meshed with the second gear 24. The rotation of the transmission rod 16 will drive the first gear 23 to rotate, and the rotation of the first gear 23 will drive the exhaust pipe 5 to rotate through the second gear 24. The rotation of the exhaust pipe 5 will drive the suction head 6 to rotate, thereby increasing the contact area between the suction head 6 and the air and improving the efficiency of sample extraction.

[0033] Working principle: When in use, start the motor 12, the operation of the motor 12 will drive the rotating shaft 8 to rotate, the rotation of the rotating shaft 8 will drive the fan blades 9 to rotate, the rotation of the fan blades 9 will extract the outside air through the exhaust pipe 5 and the suction head 6, and then discharge it into the sample monitor 1 through the air supply pipe 3, the sample monitor 1 will monitor the air, and reflect the air quality through the quality control line 2, when the air is extracted, the filter 7 will filter the dust from the outside, and when the rotating shaft 8 rotates, it will also drive the transmission rod 1 through the bevel gear 17 6 rotates, the rotation of the transmission rod 16 drives the cam 18 to rotate, the rotation of the cam 18 applies a force to the pulley 19, the pulley 19 receives the force and drives the movable frame 14 to move in the vertical direction, the movement of the movable frame 14 squeezes the spring 13, the spring 13 is deformed by the force, when the force of the cam 18 is removed from the pulley 19, the spring 13 is reset, and this is repeated, the movement of the movable frame 14 drives the brush 15 to move, and the movement of the brush 15 cleans the dust on the surface of the filter screen 7.

Claims

1. A quality control line for monitoring sampling effectiveness, comprising a sample monitor (1), characterized in that: The sample monitor (1) is symmetrically provided with two quality control lines (2) for detection and monitoring. A gas supply pipe (3) is connected to a side wall of one side of the sample monitor (1). A storage box (4) is installed at the other end of the gas supply pipe (3). A suction pipe (5) is rotatably connected to a side wall of one side of the storage box (4). A suction head (6) is installed at the other end of the suction pipe (5). A cleaning component for cleaning the inner wall is installed in the suction head (6). A filter screen (7) is connected to the inner wall of the storage box (4), and the filter screen (7) is located at the position of the suction pipe (5). A rotating shaft (8) is rotatably connected to the top of the storage box (4). A fan blade (9) is connected to the lower end of the rotating shaft (8). A rotating component for driving the rotating shaft (8) to rotate is installed on the storage box (4). A scraping component for cleaning dust on the surface of the filter screen (7) is installed in the storage box (4).

2. A quality control line for monitoring sampling effectiveness according to claim 1, characterized in that: The cleaning assembly comprises an electric push rod (10) fixedly mounted on one end of an air suction head (6); a cleaning block (11) is connected to a piston end of the electric push rod (10); the cleaning block (11) is slidably connected in the air suction head (6), and the cleaning block (11) matches the air suction head (6).

3. A quality control line for monitoring sampling effectiveness according to claim 1, characterized in that: The rotating assembly comprises a motor (12) fixedly mounted on the top end of the storage box (4), and the output end of the motor (12) is connected to the rotating shaft (8) via a coupling.

4. A quality control line for monitoring sampling effectiveness according to claim 1, characterized in that: The scraping assembly comprises two springs (13) symmetrically connected to the bottom end of the storage box (4); the upper ends of the two springs (13) are commonly connected to a movable frame (14); one end of the movable frame (14) is connected to a brush (15); the brush (15) is attached to the filter screen (7); and a transmission assembly for driving the movable frame (14) to move in a vertical direction is installed in the storage box (4).

5. A quality control line for monitoring sampling effectiveness according to claim 4, characterized in that: The transmission assembly comprises a transmission rod (16) rotatably connected to a side wall of the storage box (4); the transmission rod (16) passes through the corresponding side wall of the storage box (4); the transmission rod (16) is transmission-connected to the rotating shaft (8) via a bevel gear (17); a cam (18) is fixedly sleeved on the rod wall of the transmission rod (16); a pulley (19) is mounted on the upper end of the movable frame (14); and the cam (18) abuts against the pulley (19).

6. A quality control line for monitoring sampling effectiveness according to claim 5, characterized in that: A sliding groove is provided on the inner side wall of one side of the storage box (4), a sliding block (20) is slidably connected in the sliding groove, and one end of the sliding block (20) is connected to the movable frame (14).

7. A quality control line for monitoring sampling effectiveness according to claim 6, characterized in that: A sliding rod (21) is fixedly connected to the inner groove wall of the sliding groove, the sliding rod (21) is arranged to penetrate the sliding block (20), and the sliding block (20) is slidably connected to the sliding rod (21).

8. A quality control line for monitoring sampling effectiveness according to claim 7, characterized in that: A rolling groove is provided at one end of the sliding block (20), a rolling ball (22) is arranged in the rolling groove, the ball (22) passes through the notch of the rolling groove, and the ball (22) is rollingly connected to the bottom of the sliding groove.

9. A quality control line for monitoring sampling effectiveness according to claim 5, characterized in that: One end of the transmission rod (16) is connected to a first gear (23), a second gear (24) is fixedly sleeved on the wall of the exhaust pipe (5), and the first gear (23) is meshed with the second gear (24).

10. An application of a quality control line for monitoring sampling validity according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1: When in use, the motor (12) is started, and the operation of the motor (12) drives the rotating shaft (8) to rotate. The rotation of the rotating shaft (8) drives the fan blades (9) to rotate. The rotation of the fan blades (9) extracts external air through the exhaust pipe (5) and the suction head (6), and then discharges the air into the sample monitor (1) through the air supply pipe (3). The sample monitor (1) monitors the air and reflects the air quality through the quality control line (2). When the air is extracted, the filter (7) filters the external dust. The above structure can extract and monitor the external air, and can filter the dust in the air to prevent the accuracy of air monitoring, thereby improving the applicability of the device; S2: When the rotating shaft (8) rotates, it also drives the transmission rod (16) to rotate through the bevel gear (17). The rotation of the transmission rod (16) drives the cam (18) to rotate. The rotation of the cam (18) exerts a force on the pulley (19). The pulley (19) is subjected to the force and drives the movable frame (14) to move in the vertical direction. The movement of the movable frame (14) squeezes the spring (13). The spring (13) is deformed by the force. When the force of the cam (18) is removed from the pulley (19), the spring (13) is reset. This is repeated. The movement of the movable frame (14) drives the brush (15) to move. The movement of the brush (15) cleans the dust on the surface of the filter (7). The above structure can clean the dust on the filter (7) to prevent the dust from clogging the filter holes on the filter (7) and affecting the ventilation effect. S3: The rotation of the transmission rod (16) drives the first gear (23) to rotate, and the rotation of the first gear (23) drives the suction pipe (5) to rotate through the second gear (24), and the rotation of the suction pipe (5) drives the suction head (6) to rotate, thereby increasing the contact area between the suction head (6) and the air, and improving the efficiency of sample extraction.

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